openmaptiles/layers/transportation_name/update_route_member.sql

74 wiersze
3.1 KiB
PL/PgSQL

DROP TRIGGER IF EXISTS trigger_flag_transportation_name ON osm_route_member;
-- create GBR relations (so we can use it in the same way as other relations)
CREATE OR REPLACE FUNCTION update_gbr_route_members() RETURNS VOID AS $$
DECLARE gbr_geom geometry;
BEGIN
select st_buffer(geometry, 10000) into gbr_geom from ne_10m_admin_0_countries where iso_a2 = 'GB';
delete from osm_route_member where network IN('omt-gb-motorway', 'omt-gb-trunk');
insert into osm_route_member (member, ref, network)
(
SELECT hw.osm_id, substring(hw.ref from E'^[AM][0-9AM()]+'), 'omt-gb-motorway'
from osm_highway_linestring hw
where length(hw.ref)>0 and ST_Intersects(hw.geometry, gbr_geom)
and hw.highway IN ('motorway')
) UNION (
SELECT hw.osm_id, substring(hw.ref from E'^[AM][0-9AM()]+'), 'omt-gb-trunk'
from osm_highway_linestring hw
where length(hw.ref)>0 and ST_Intersects(hw.geometry, gbr_geom)
and hw.highway IN ('trunk')
)
;
END;
$$ LANGUAGE plpgsql;
-- etldoc: osm_route_member -> osm_route_member
CREATE OR REPLACE FUNCTION update_osm_route_member() RETURNS VOID AS $$
BEGIN
PERFORM update_gbr_route_members();
-- see http://wiki.openstreetmap.org/wiki/Relation:route#Road_routes
UPDATE osm_route_member
SET network_type =
CASE
WHEN network = 'US:I' THEN 'us-interstate'::route_network_type
WHEN network = 'US:US' THEN 'us-highway'::route_network_type
WHEN network LIKE 'US:__' THEN 'us-state'::route_network_type
-- https://en.wikipedia.org/wiki/Trans-Canada_Highway
-- TODO: improve hierarchical queries using
-- http://www.openstreetmap.org/relation/1307243
-- however the relation does not cover the whole Trans-Canada_Highway
WHEN
(network = 'CA:transcanada') OR
(network = 'CA:BC:primary' AND ref IN ('16')) OR
(name = 'Yellowhead Highway (AB)' AND ref IN ('16')) OR
(network = 'CA:SK' AND ref IN ('16')) OR
(network = 'CA:ON:primary' AND ref IN ('17', '417')) OR
(name = 'Route Transcanadienne (QC)') OR
(network = 'CA:NB' AND ref IN ('2', '16')) OR
(network = 'CA:PEI' AND ref IN ('1')) OR
(network = 'CA:NS' AND ref IN ('104', '105')) OR
(network = 'CA:NL:R' AND ref IN ('1')) OR
(name = ' Trans-Canada Highway (Super)')
THEN 'ca-transcanada'::route_network_type
WHEN network = 'omt-gb-motorway' THEN 'gb-motorway'::route_network_type
WHEN network = 'omt-gb-trunk' THEN 'gb-trunk'::route_network_type
ELSE NULL
END
;
END;
$$ LANGUAGE plpgsql;
CREATE INDEX IF NOT EXISTS osm_route_member_network_idx ON osm_route_member("network");
CREATE INDEX IF NOT EXISTS osm_route_member_member_idx ON osm_route_member("member");
CREATE INDEX IF NOT EXISTS osm_route_member_name_idx ON osm_route_member("name");
CREATE INDEX IF NOT EXISTS osm_route_member_ref_idx ON osm_route_member("ref");
SELECT update_osm_route_member();
CREATE INDEX IF NOT EXISTS osm_route_member_network_type_idx ON osm_route_member("network_type");